#version 330 core

in vec2 vtx_tex_cord;
out vec4 frag_color;

uniform sampler2D frame_buffer_texture_sampler;

void main() {
    // frag_color = vec4(0.9, 0.9, 0.9, 1.0); return;
    float deepth = texture(frame_buffer_texture_sampler, vtx_tex_cord).r;
    frag_color =vec4(vec3(deepth), 1);
}
